The Open Mapping and Closed Graph Theorems in Topological Vector Spaces By Taqdir HusainEnglish | PDF | 1965 | 115 Pages | ISBN : 3322960773 | 10.2 MBTHE main purpose of writing this monograph is to give a picture of the progress made in recent years in understanding three of the deepest results of Functional Analysis-namely, the open-mapping and closed­ graph theorems, and the so-called Krein-~mulian theorem.